2n+4=42

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Solution for 2n+4=42 equation: 



2n+4=42

We move all terms to the left:

2n+4-(42)=0

We add all the numbers together, and all the variables

2n-38=0

We move all terms containing n to the left, all other terms to the right

2n=38

n=38/2

n=19

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